Description
As a follow up for https://github.com/elastic/elasticsearch/pull/107987/files#r1626767875, allow specifying an expression for ON.
I find as a first very useful use case (combined with union types support) queries of the form from test* | LOOKUP int_number_names ON int::integer.
Description
As a follow up for https://github.com/elastic/elasticsearch/pull/107987/files#r1626767875, allow specifying an expression for ON.
I find as a first very useful use case (combined with union types support) queries of the form
from test* | LOOKUP int_number_names ON int::integer.